Posted by **lacy** on Friday, April 27, 2007 at 6:58pm.

Ihave to evalaute expressions can someone tell me which whay is the correct way.

15+ 20 ÷ 5

Is

15 + 4= 19 or 5 ÷ 5=9

210-5 x 30

Is it

210-150=60 or 205 x30=61590

Have you heard of BEDMAS?

it shows the correct order of operation in arithmetic

B-brackets first

E-exponents

D

M ...Division and Multiplication in the order they come

A

S ... Addition and Subraction in the order they come

so for your first one it is

15 + (20 ÷ 5)

=15 + 4

=19

thanks I got the next one

210-150=60

## Answer This Question

## Related Questions

- Physics - While standing on a frictionless ice surface, a 50 kg skater pushes ...
- math - Which one(s) of these twelve brands would be considered outliers, if ...
- math - A local photocopying store advertises as follows. " We charge 9 cents per...
- Math - Expressed to the correct number of significant figures, the sum of two ...
- Physical Science - 1. Which equation correctly shows beta decay? (A) 210/82 Pb...
- Math - Find the components of the unit vector that makes an angle of 210 degrees...
- math - Find the mean of the following set of numbers. 13, 15, 18, 18, 18, 19, 22...
- advanced math - If 0°<= 360°, solve the equation, sec x=-2 a. 150° and 210 ° ...
- Physics - If a polonium-210 (Po-210) atom has just decayed, how close can the ...
- Physics - If a polonium-210 (Po-210) atom has just decayed, how close can the ...

More Related Questions